/Engine/Source/Runtime/ImageCore/Public/ImageCore.h
Copies and resizes the image to a destination image with the specified size and format. Resize is done using bilinear filtering
void ResizeTo ( [FImage](API\Runtime\ImageCore\FImage) & DestImage, int32 DestSizeX, int32 DestSizeY, [ERawImageFormat::Type](API\Runtime\ImageCore\ERawImageFormat__Type) DestFormat, EGammaSpace DestGammaSpace ) const